Brunette Girl Undresses Her Lingerie At The Window

A window which can either tilt inwards at the top, or can open inwards hinged at the side.
• Transom window
A window above a door; in an exterior door the transom window is often fixed, in an interior door it can open either by hinges at top or bottom, or rotate on hinges. It provided ventilation before forced air heating and cooling. A fan-shaped transom is known as a fanlight, especially in the British Isles.